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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-194.357623
Energy at 298.15K-194.365819
HF Energy-193.857282
Nuclear repulsion energy160.821962
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3228 3097 30.24      
2 A' 3210 3080 25.51      
3 A' 3145 3017 4.42      
4 A' 3137 3010 16.32      
5 A' 3128 3002 7.95      
6 A' 3094 2969 14.75      
7 A' 1713 1644 8.42      
8 A' 1554 1491 1.26      
9 A' 1513 1452 0.23      
10 A' 1393 1336 0.31      
11 A' 1355 1300 2.80      
12 A' 1261 1210 2.15      
13 A' 1226 1176 0.68      
14 A' 1151 1104 6.22      
15 A' 1043 1001 2.88      
16 A' 968 929 28.03      
17 A' 843 809 1.20      
18 A' 794 762 1.13      
19 A' 450 432 1.01      
20 A' 275 264 0.70      
21 A" 3213 3082 0.13      
22 A" 3133 3006 18.95      
23 A" 1532 1470 1.91      
24 A" 1241 1191 0.67      
25 A" 1186 1138 0.49      
26 A" 1158 1111 6.41      
27 A" 1004 964 15.05      
28 A" 961 922 0.91      
29 A" 928 890 46.59      
30 A" 845 811 13.72      
31 A" 668 641 3.29      
32 A" 317 304 1.48      
33 A" 102 98 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25384.2 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 24356.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G
ABC
0.49394 0.09886 0.09493

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.385 0.289 0.000
C2 0.261 -1.061 0.000
C3 -0.413 -2.234 0.000
C4 0.261 1.457 0.763
C5 0.261 1.457 -0.763
H6 -1.479 0.265 0.000
H7 1.360 -1.070 0.000
H8 0.101 -3.198 0.000
H9 -1.507 -2.271 0.000
H10 -0.393 2.155 1.287
H11 1.203 1.264 1.280
H12 -0.393 2.155 -1.287
H13 1.203 1.264 -1.280

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49672.52311.53701.53701.09412.21123.52032.79522.26702.26032.26702.2603
C21.49671.35262.63102.63102.18771.09912.14232.14213.52542.81623.52542.8162
C32.52311.35263.82863.82862.71712.12141.09221.09434.57394.06004.57394.0600
C41.53702.63103.82861.52502.24222.85844.71914.19581.09101.09182.26202.2573
C51.53702.63103.82861.52502.24222.85844.71914.19582.26202.25731.09101.0918
H61.09412.18772.71712.24222.24223.13683.80632.53672.53123.13462.53123.1346
H72.21121.09912.12142.85842.85843.13682.47263.10853.88912.66563.88912.6656
H83.52032.14231.09224.71914.71913.80632.47261.85575.52734.77025.52734.7702
H92.79522.14211.09434.19584.19582.53673.10851.85574.74224.63424.74224.6342
H102.26703.52544.57391.09102.26202.53123.88915.52734.74221.82772.57483.1513
H112.26032.81624.06001.09182.25733.13462.66564.77024.63421.82773.15132.5594
H122.26703.52544.57392.26201.09102.53123.88915.52734.74222.57483.15131.8277
H132.26032.81624.06002.25731.09183.13462.66564.77024.63423.15132.55941.8277

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.555 C1 C2 H7 115.981
C1 C4 C5 60.258 C1 C4 H10 118.234
C1 C4 H11 117.592 C1 C5 C4 60.258
C1 C5 H12 118.234 C1 C5 H13 117.592
C2 C1 C4 120.276 C2 C1 C5 120.276
C2 C1 H6 114.323 C2 C3 H8 122.026
C2 C3 H9 121.831 C3 C2 H7 119.464
C4 C1 H6 115.880 C4 C5 H12 118.757
C4 C5 H13 118.276 C5 C1 H6 115.880
C5 C4 H10 118.757 C5 C4 H11 118.276
H8 C3 H9 116.144 H10 C4 H11 113.718
H12 C5 H13 113.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability